Spool



Patented Apr. 7, A1936 SPOOL lTheodore Mungen, Philadelphia, ra., assigner to Edward G. Budd Manufacturing Company,v

- Philadelphia, Pa., a oorporationof Pennsylv l I Application July 29, 1933, Serial N0. 682,776

comms. (cruz-123) drical body made preferably for ease of manu- The invention relates to spools and particularly to spools made of sheet material for use in the textile industry.

Such spools have commonly been made of wood with libre ends. Such spools are subject to various drawbacks, amongthem being lack of uniformity in weight and trueness, liability to warping due to atmospheric conditions, damage through handling, etc.

It is an object of my invention to produce a spool of this class which avoids these difculties, which can be economically produced, which is rugged and durable in construction and hence assured of long life in use, and one which had l other advantages not heretofore present in spools of this class or at any rate -not present to the same degree.

I attain this and other objects by constructing the' parts of the spool of ordinary sheet mate` rial, such asv sheet steel, and make the parts in such number that they may be very` economically stamped out of scrap steel, and I so form the lvarious parts that they may in the final assembly, be made to serve a number of useful functions. Long life is assured by the strength and ruggedness of the material, and by the treatment to prevent corrosion. Not a little of this advantage is due to the method of manufacture which consists rst in stamping out the individual parts entering into the spool, then coating them individually so that every part is .thoroughly coated, with a corrosion resistant material, such as a plating of cadmium, and finally assembling the parts into the completed Other objects and advantages will appear from the following detailed description when read in conjunction with the Adrawing forming a part hereof.

In the drawing:

Fig. 1 is a perspective view of a spool accord` ing to my invention.

Fig. 2 is an axial-cross sectional view taken in the plane between thebody halves.

Fig. 3 is an end elevational view.

Fig. 4 is a detail sectional vie'w showing the seating between the body and an end wall.

Fig. 5 is a side elevational view of a slightly modied form of spool. Y Fig. 6 is a detail view showing -the relationof the slot to the attaching extensions of the boo'. v parts As .shown thedrawing the spool of my in vention is constructed of but four main parts, namely; the end walls IIIand II and the cylin.

facture, and economy of material especially when made from scrap, of two semi-cylindrical halves I2 and I3. The halves are identical and hence can be made from the -same set of dies. 5 The end walls I 0 and II are each formed from 4a at plate and have their peripheral margin curled over outwardly at I4 to provide al strong marginal construction and a smooth surface on their inner faces to receive the yarn or other 10 material wound thereon.

Some distance inwardly of the margins the ends are,each formed with an'annular depression or channel as` I5 adapted to snugly receive the opposite ends of the body of the spool. The 15 seating of the ends of the body in these depressionsI avoids the possibility of -the yarn or the like being drawn in between the body and the:

end of the spool.l Y To secure the body of the spool firmly to the 20 end walls in this relation, the kend walls are provided at the bottom of the annular depression I5 with aplurality of openings I6 in the form of slots and each of the body halves I2 and Il is provided with corresponding projections 20 25 and I'I, respectively adapted to pass through the slots and to be clinched over as indicated at I8 on the outside faces of the end walls to lock the parts together. v 2 In the form illustrated I have shown four such 30 slots in each end wall of the spool, and each body half is formed with three projections. two marginal ones I9 of approximately halfV the width of a slot, and one intermediate one of substantially the full width of a.' slot. In this 35 way the marginal projections ,I9 of V adjacent edges of the body halves are adapted to pass through the same slot and thus secure the mar gins of the' body parts firmly tothe end walls o To facilitate the placing of thespool so onstructed upon a spindle (not shown) and to insure the placing of the spool upon the spindle in only one way, so that .the yarn or the like is .always unwound from the proper end, I,form 45 the end wallsI0 and II with the following differences., Each end wall is provided with a central aperture 2| and 22, respectively, -to receive the spindle, but the end II which goesover the spinne last is formed with an outwardly projecting flange 23 around the spindle receiving aperture and this aperture corresponds substantially to the cross section of they spindle received thereby. l

To facilitatel entry of the spindle end into the 55 -a cone 2 4 which aids in bringing the spindle in line with the aperture. Y

'I'he opposite end wall I0 is provided with lateral extensions 25 on opposite sides thereof providing a balanced commotion, one or both of said extensions being adapted to receive a driving lug or lugs (not shown) usually associated with a spindlef' receiving the spool. In the margins of the aperture 2| and the extensions 25 there are provided inwardly extending flanges 26 forming a substantial bearing engagement with the spindle and driving lug and leaving the outer face of end of the spool substantially dat.

In spools of this class, it is often desirable to 'remove yarn or the like which is defective from a spool. To avoid unwinding this yarn which is a slow and tedious process, it has heretofore been the practice to cut it by running a knife longitudinally of the spool, but s uch process was very likely to injure the spool. By my invention I avoid the possibility of such injury by forming a slot or slots 21 extending throughout substantially the length Aof the body of the spool between the two halves I2 andv I3 of such body.

The knife blade can readily be inserted through such slot or slots and the defective yarn or the like out from the spool. located by the operator by observing the location, at the outer face of either of the ends, of the joint between the two half cylinders of the body.

'I'he spool of my invention, because of its hollow open construction, is also adapted for use where it is desired to dye or otherwise treat the yarn or the like while wound on the spool. To this end and to facilitate the uniform penetra- ,tion of the dyeing or other fluid through the yarn, I mayA use the modied construction illustrated in Fig. 5, where thecylindrical body of the spool is formed of a pair of sections I2' and I3' each providedV throughout with a plurality of closely spaced perforations 28. 'I'his also lightens thespool without materially affecte ing its strength and sturdiness, which is desirable.

.In the manufacture of the improved spool, the parts are preferably die stamped to substantially their ilnal shape out of sheet steel, which can be of light gauge and yet give adequate strength. To protect every exposed surface of the steel parts againstcorrosion, to which spools of thisA class are inl many cases, subject due to the atmospheric conditions in textile and yarn `factories, I lthen treat each part individually to cover the entire surface thereof with a coating 'Ihe slot can readily be of a corrosion-resistant material, and a material which I have found very satisfactory is a plating of cadmium'. After each part has been so protected, the parts are assembled into the complete spool, hereinbefore described in detail.

Numerous advantages ilow from the method of manufacture and the manufactured spool according to my invention as hereinbefore pointed out, but it win be obvious to those skmed in this art that these advantages in large part can be attained by minor departures fromthe specic form described, and it is my purpose to include such departures within the spirit of the invention as fall within the scope of the appended claims.

What I claim is:

l. In combination, in a textile spool, a thingauge sheet steel hollow cylindrical body including duplicate longitudinally divided halves,

each having a longitudinal marginal portion extending straight therealong and beyond the ends thereof along half axial projections, another longitudinal marginal portion recessed between points within the ends of the body, half axial projections longitudinally opposite said recessed edges, and integral whole axial end projections peripherally between .said half projections, sheet tion, which, with the integral whole projections are crimped in the channel slots, the bottom disc being at and the top disc being convex outwardly whereby to lead a spindle from within the body to said central aperture therein, about which there is an outwardly projecting ange, the opening in the bottom 4disc being formed for cooperation with a driving lug,.and all of the parts being cadmium plated both on the exposed surfaces and bn surfaces engaging other parts of the spool. A

2. A sheet metal spool comprising end walls l and a body portion, one of said end walls being circular and having an annular depression formed therein substantially concentric with respect to the periphery of said end Wall, the portion of said end wall radially inward of said' depression being dished to form a radial arch vand having a central aperture, and a cylindrical .body member secured in said annular-depression.`

THEODORE MUNGEN. 

